001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq;
018
019import javax.jms.JMSException;
020import javax.jms.Message;
021import javax.jms.MessageConsumer;
022import javax.jms.MessageProducer;
023import javax.jms.Session;
024
025/**
026 * A plugin strategy for transforming a message before it is sent by the JMS client or before it is
027 * dispatched to the JMS consumer
028 *
029 * 
030 */
031public interface MessageTransformer {
032
033    /**
034     * Transforms the given message inside the producer before it is sent to the JMS bus.
035     */
036    Message producerTransform(Session session, MessageProducer producer, Message message) throws JMSException;
037
038    /**
039     * Transforms the given message inside the consumer before being dispatched to the client code
040     */
041    Message consumerTransform(Session session, MessageConsumer consumer, Message message)throws JMSException;
042}